161210175632106 has 16 divisors (see below), whose sum is σ = 324881575321248. Its totient is φ = 53326521201200.

The previous prime is 161210175632047. The next prime is 161210175632137. The reversal of 161210175632106 is 601236571012161.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102551001525 + ... + 102551003096.

It is an arithmetic number, because the mean of its divisors is an integer number (20305098457578).

Almost surely, 2^{161210175632106} is an apocalyptic number.

161210175632106 is an abundant number, since it is smaller than the sum of its proper divisors (163671399689142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161210175632106 is a wasteful number, since it uses less digits than its factorization.

161210175632106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205102004757.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 161210175632106 in words is "one hundred sixty-one trillion, two hundred ten billion, one hundred seventy-five million, six hundred thirty-two thousand, one hundred six".